Shares of video platform Rumble (RUM) are. modestly higher in premarket trading Wednesday after the company made live its Rumble Wallet, built in partnership with Tether, the issuer of USDT and one of Rumble’s major investors. Hinted at for months, the wallet allows viewers to tip content creators in bitcoin (BTC), tether (USDT), or tether gold (XAUt) without going through traditional payment systems like banks, ad networks, or credit card companies. It’s fully non-custodial, meaning users — not Rumble — h ...